uxn/examples/hello.usm

( comment )

:dev/w fff9 ( const write port )

|0100 @RESET 

	#00 ,dev/w STR                           ( set dev/write to console ) 
	,string                                  ( add string pointer to stack )
	@loop
		DUP2 LDR IOW                         ( write pointer value to console )
		#0001 ADD2                           ( increment string pointer )
		DUP2 LDR #00 NEQ ,loop ROT JMP? POP2 ( while *ptr!=0 goto loop )

BRK

@string " Hello World "                      ( add string to memory )

|c000 @FRAME BRK
|d000 @ERROR BRK 

|FFFA .RESET .FRAME .ERROR
Rewrote hello world to not use the stack 2021-02-14 00:37:03 +00:00			`( comment )`
Hello world with strlen 2021-02-06 18:39:13 +00:00
Cleaned up examples 2021-02-11 03:05:40 +00:00			`:dev/w fff9 ( const write port )`
Hello world with strlen 2021-02-06 18:39:13 +00:00
Rewrote hello world to not use the stack 2021-02-14 00:37:03 +00:00			`\|0100 @RESET`
Hello world with strlen 2021-02-06 18:39:13 +00:00
Modified examples 2021-02-14 03:19:13 +00:00			`#00 ,dev/w STR ( set dev/write to console )`
			`,string ( add string pointer to stack )`
Cleaned up examples 2021-02-11 03:05:40 +00:00			`@loop`
Rewrote hello world to not use the stack 2021-02-14 00:37:03 +00:00			`DUP2 LDR IOW ( write pointer value to console )`
			`#0001 ADD2 ( increment string pointer )`
			`DUP2 LDR #00 NEQ ,loop ROT JMP? POP2 ( while *ptr!=0 goto loop )`
Hello world with strlen 2021-02-06 18:39:13 +00:00
Cleaned up examples 2021-02-11 03:05:40 +00:00			`BRK`
Hello world with strlen 2021-02-06 18:39:13 +00:00
Modified examples 2021-02-14 03:19:13 +00:00			`@string " Hello World " ( add string to memory )`
Hello world with strlen 2021-02-06 18:39:13 +00:00
Rewrote hello world to not use the stack 2021-02-14 00:37:03 +00:00			`\|c000 @FRAME BRK`
Hello world with strlen 2021-02-06 18:39:13 +00:00			`\|d000 @ERROR BRK`
Rewrote hello world to not use the stack 2021-02-14 00:37:03 +00:00
Hello world with strlen 2021-02-06 18:39:13 +00:00			`\|FFFA .RESET .FRAME .ERROR`